/ Thesaurus / U Synonyms of ugly duckling Find synonyms for: Noun1. ugly duckling, anomaly, unusual personusage: an ugly or unpromising child who grows into a beautiful or worthy personWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language